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(S)-5-{(2R,3S,5R,6S)-3,5-Bis-benzyloxy-6-[3-benzyloxycarbonyl-2-(tert-butyl-dimethyl-silanyloxy)-2-methyl-propyl]-2-methyl-tetrahydro-pyran-2-yl}-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-pentanoic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221464-83-1

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221464-83-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221464-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,4,6 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 221464-83:
(8*2)+(7*2)+(6*1)+(5*4)+(4*6)+(3*4)+(2*8)+(1*3)=111
111 % 10 = 1
So 221464-83-1 is a valid CAS Registry Number.

221464-83-1Relevant academic research and scientific papers

Total synthesis of brevetoxin A: Part 1: First generation strategy and construction of BCD ring system

Nicolaou,Bunnage, Mark E.,McGarry, Daniel G.,Shi, Shuhao,Somers, Patricia K.,Wallace, Paul A.,Chu, Xin-Jie,Agrios, Konstantinos A.,Gunzner, Janet L.,Yang, Zhen

, p. 599 - 617 (2007/10/03)

Discussed herein is our first generation strategy for the total synthesis of brevetoxin A. This approach relies upon dissection of the molecule at the nine-membered ring site (ring E). A Wittig coupling of requisite polycyclic fragments 3 and 4 followed b

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